<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
	</head>
	<body>
		<script>
		//理解赋值运算符
		var wangHaoScore=80;//王浩的成绩是80
		var zhangSanScore;//声明张三的成绩
		zhangSanScore=wangHaoScore;
		alert("张三的成绩是:"+zhangSanScore);
		</script>
	</body>
</html>
